May 28 2014 website “Novorossiia” with a reference to DNR (Donetsk People’s Republic) authorities reported Donetsk gunmen shooting down a UAV over Donetsk.

Новороссия

Page screenshot from Novorossia.su website

However, this information was not verified. The picture in the article was taken in Karabakh on September 17 2011, not in Donetsk.

Карабах

Screenshot from NovostiNK.ru website